Two-Photon Circularly Polarized Luminescence of Chiral Eu Complexes.
Two-Photon Circularly Polarized Luminescence of Chiral Eu Complexes.
复制标题
手性铕配合物的双光子圆偏振发光。
DOI:
10.1021/jacs.3c05957
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发表时间:
2023-11-22
影响因子:
15
通讯作者:
Di Bari, Lorenzo
中科院分区:
文献类型:
--
作者:
Willis, Oliver G.;Petri, Filippo;De Rosa, Davide F.;Mandoli, Alessandro;Pal, Robert;Zinna, Francesco;Di Bari, Lorenzo
We report the synthesis of chiral lanthanide complexes with extended π conjugation for efficient circularly polarized luminescence (CPL) via two-photon excitation (2PE). The pyridine bis-oxazoline (PyBox) core provides the chiral Ln3+ environment, while the extension of the conjugated backbone through the pyridine 4-position with a phenylacetylene unit increases the two-photon absorption cross section. This work presents an important step toward the development of chiral systems displaying enhanced nonlinear optical properties, with potential applications in imaging and sensing, as well as in photodynamic therapy due to the selective excitation of molecules within a specific focal volume.
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